Lane Kiffin: Alabama’s top three RBs rival NFL backfields from a talent perspective

As former Oakland Raiders, Tennessee and USC head coach Lane Kiffin enters his first season as Alabama’s offensive coordinator, he has the luxury of working with a talented and experienced backfield. Alabama’s top three rushers from a season ago — T.J. Yeldon, Derrick Henry and Kenyan Drake — are back for 2014. And Kiffin, for…